Gen Bio Lecture 3 (Biological
Molecules) Rutgers Questions and
Correct Answers.
Which of the following macromolecules involves monomers that are sugars? A. Starch B. Protein
C. Phospholipids D. Fatty acids - Answer starch
What is the composition of a single cell? - Answer 70-90% H2O, rest is mostly carbon based
molecules
In what ways does the carbon backbone vary? - Answer length, double bond position,
branching, presence of rings
What are the 7 functional groups? - Answer hydroxyl, carbonal, carboxal, amino, sulfhydryl,
phosphate, methyl
Define polymer: - Answer Long molecules made up of many similar building blocks
(monomers)
Define monomer: - Answer Small, identical or similar building blocks to make polymers
Explain dehydration reaction: - Answer synthesizing a polymer by removing H2O, this forms
a new bond
Explain hydrolysis: - Answer breaking down a polymer by adding H2O and breaking a bond
What are the 4 classes of biological molecules? - Answer carbohydrates, lipids, proteins,
nucleic acids
What elements make up carbohydrates? - Answer C, H, O
What is the monomer for carbs? - Answer monosaccharides
What is the most common monosaccharide? - Answer glucose
What is a disaccharide? - Answer two monosaccharides joined together
Molecules) Rutgers Questions and
Correct Answers.
Which of the following macromolecules involves monomers that are sugars? A. Starch B. Protein
C. Phospholipids D. Fatty acids - Answer starch
What is the composition of a single cell? - Answer 70-90% H2O, rest is mostly carbon based
molecules
In what ways does the carbon backbone vary? - Answer length, double bond position,
branching, presence of rings
What are the 7 functional groups? - Answer hydroxyl, carbonal, carboxal, amino, sulfhydryl,
phosphate, methyl
Define polymer: - Answer Long molecules made up of many similar building blocks
(monomers)
Define monomer: - Answer Small, identical or similar building blocks to make polymers
Explain dehydration reaction: - Answer synthesizing a polymer by removing H2O, this forms
a new bond
Explain hydrolysis: - Answer breaking down a polymer by adding H2O and breaking a bond
What are the 4 classes of biological molecules? - Answer carbohydrates, lipids, proteins,
nucleic acids
What elements make up carbohydrates? - Answer C, H, O
What is the monomer for carbs? - Answer monosaccharides
What is the most common monosaccharide? - Answer glucose
What is a disaccharide? - Answer two monosaccharides joined together
